Hello all, during a troubleshooting on my infrastructure due a problem with VMWare ESXi,  I notice a lot of "ERSPAN-VEM : L3Control/ERSPAN" during the DHCP renew on L3 Control VMKernel interface.I don't find any related documentation on that, but I w...

Hello,I'm testing the new ACS 4.0 for some feature like .1x.For the authentication I use a linux box with tacacs+ and all works fine.I try the tacacs coming from ACS but I don't understand why my account don't go to # lvl 15 priv but I need to insert...

Hello,after weeks of reading about jumbo frames, I change the value of mtu on my switches to 9000 catalyst 3750.I have 2 location MAN connected by fiber channel. 4 swith cat3750 10/100/1000 on each site. Many of our server have giga nic, connected to...